Hot Pumps & Thermal Expansion

High temperature pumping applications can be found in nearly every industry. Learning how to handle them is critical to ensure reliable operation.

Fluids are pumps at elevated temperatures for a number of reasons:

- The fluid needs to be heated to change it from a solid or semi-solid into a liquid so it can be more easily moved, processed or applied.
- A process where heat is used as a catalyst to initiate or sustain a chemical reaction.
- A heat transfer medium to transfer heat energy from a heat source into a process.

In all of these cases, the pumps are subject to the effects of dimensional changes caused by thermal expansion of the pump components as a result of the hot fluid flowing through the pump.

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